2108673680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{255907}}^1$

素因数の和:256023

約数の個数: 40

約数和(自身を含む): 4950284352

約数和(自身を除く): 2841610672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 255907, 511814, 1023628, 1279535, 2047256, 2559070, 4094512, 5118140, 10236280, 20472560, 26358421, 52716842, 105433684, 131792105, 210867368, 263584210, 421734736, 527168420, 1054336840, 2108673680]

約数ペア:

[(1, 2108673680), (2, 1054336840), (4, 527168420), (5, 421734736), (8, 263584210), (10, 210867368), (16, 131792105), (20, 105433684), (40, 52716842), (80, 26358421), (103, 20472560), (206, 10236280), (412, 5118140), (515, 4094512), (824, 2559070), (1030, 2047256), (1648, 1279535), (2060, 1023628), (4120, 511814), (8240, 255907)]